19893141097 has 8 divisors (see below), whose sum is σ = 20375863200. Its totient is φ = 19415270784.

The previous prime is 19893141091. The next prime is 19893141119. The reversal of 19893141097 is 79014139891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19893141097 - 2³ = 19893141089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19893141091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204648 + ... + 1221049.

It is an arithmetic number, because the mean of its divisors is an integer number (2546982900).

Almost surely, 2^19893141097 is an apocalyptic number.

It is an amenable number.

19893141097 is a deficient number, since it is larger than the sum of its proper divisors (482722103).

19893141097 is a wasteful number, since it uses less digits than its factorization.

19893141097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425895.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 19893141097 in words is "nineteen billion, eight hundred ninety-three million, one hundred forty-one thousand, ninety-seven".